TITLE: HP BIOS and System Firmware (U72/U85)
VERSION: 01.09.01 REV: A PASS: 1
DESCRIPTION:
This package creates files that contain an image of the System BIOS (ROM) for
supported HP Business Notebook computer models with a U72 or U85 family ROM.
PURPOSE: Critical
SOFTPAQ NUMBER: sp149831
SOFTPAQ FILE NAME: sp149831.exe
SOFTPAQ MD5: d062c6f6bb0a355cef1ee605fd94c441
SUPERSEDES: sp148159
EFFECTIVE DATE: December 05, 2023
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks
HARDWARE PRODUCT MODEL(S):
HP ProBook 450 15.6 inch G9 Notebook PC
HP ProBook 440 14 inch G9 Notebook PC

OPERATING SYSTEM(S):
Microsoft Windows 10 All Editions (64-bit)
Microsoft Windows 11

LANGUAGE(S): Global

ENHANCEMENTS:
NOTE: HP strongly recommends updating the system BIOS to address a potential
issue with HP Sure Start that can cause some devices to experience a Secure Boot
error at boot.

- Addresses security vulnerabilities CVE-2023-5410.
- Addresses security vulnerabilities CVE-2023-22329 and CVE-2023-25756.
- Updates the Intel UEFI Wi-Fi driver to version 2.2.24.23283.
- Updates Intel MCU to enhance compatibility.
- Adds HTTPS support for Sure Recover in the pre-boot environment for operating
system recovery.
- Provides support for the 5.15-5.35 GHz band.
- Provides support for the SMBIOS type1 version string for db addition.
- Updates Intel Trusted Execution Technology (TXT) to enhance for compatibility.
- Adds Measure Additional DMA Settings to the BIOS setup menu for improved
security in DMA protection.
- Updates the Intel Reference Code to version 0C.00.BA.10.
- Enables the system to enter hibernation when the thermal sensor detects that
the system temperature is running in high.

- Includes the following firmware:
Camera Firmware, 23.21.0.0
ClickPad Firmware 22.18.0.0 (ELAN) / 21.37.0.0 (Synaptics)
ELAN Fingerprint Reader Firmware, version 4.19 (P00ZVP-B2M)
Embedded Controller (EC), version 07.65.00 (TI PD) / 21.65.00 (Realtek PD)
Graphics Output Protocol (GOP), version 21.0.1065 (Disabled DRRS)
Management Engine Firmware, version 16.1.27.2176
Power Delivery Firmware, version 6.4.0 (TI) / 6.9.0 (Realtek)
FIXES:
- Fixes an issue where the fingerprint reader does not function properly after
the system loses power loss during flashing BIOS.
- Fixes issue that occurs after the EBAM and BIOS admin passwords are set where
flashing the BIOS with the correct password causes the Firmware Update and
Recovery Utility interface to display the message, Incorrect password was
entered.
- Fixes an issue on a system running in battery mode with less than than 5%
battery capacity remaining where the system fails to power on after High
Resolution mode is enabled in the BIOS setup menu.
- Fixes an issue where the Sure Start event log enters code 0x8424, indicating
potential system instability.
PREREQUISITES: NONE
HOW TO USE:
1. Download the file by clicking the Download or Obtain Software button and
saving the file to a folder on your hard drive (make a note of the folder where
the downloaded file is saved).

2. Double-click the downloaded file and follow the on-screen instructions.

Copyright (c) 2023 HP Development Company, L.P.